diff --git a/nixos/modules/programs/dconf.nix b/nixos/modules/programs/dconf.nix
index 265c41cbbbc9..298abac8afa9 100644
--- a/nixos/modules/programs/dconf.nix
+++ b/nixos/modules/programs/dconf.nix
@@ -60,7 +60,7 @@ in
     environment.systemPackages = [ pkgs.dconf ];
 
     # Needed for unwrapped applications
-    environment.sessionVariables.GIO_EXTRA_MODULES = mkIf cfg.enable [ "${pkgs.dconf.lib}/lib/gio/modules" ];
+    environment.variables.GIO_EXTRA_MODULES = mkIf cfg.enable [ "${pkgs.dconf.lib}/lib/gio/modules" ];
   };
 
 }
diff --git a/nixos/modules/services/desktops/gnome/glib-networking.nix b/nixos/modules/services/desktops/gnome/glib-networking.nix
index 1039605391ab..4288b6b5de61 100644
--- a/nixos/modules/services/desktops/gnome/glib-networking.nix
+++ b/nixos/modules/services/desktops/gnome/glib-networking.nix
@@ -38,7 +38,7 @@ with lib;
 
     systemd.packages = [ pkgs.glib-networking ];
 
-    environment.sessionVariables.GIO_EXTRA_MODULES = [ "${pkgs.glib-networking.out}/lib/gio/modules" ];
+    environment.variables.GIO_EXTRA_MODULES = [ "${pkgs.glib-networking.out}/lib/gio/modules" ];
 
   };
 
diff --git a/nixos/modules/services/desktops/gvfs.nix b/nixos/modules/services/desktops/gvfs.nix
index f2b2855dc3e0..b6a27279bdf8 100644
--- a/nixos/modules/services/desktops/gvfs.nix
+++ b/nixos/modules/services/desktops/gvfs.nix
@@ -57,7 +57,7 @@ in
     services.udev.packages = [ pkgs.libmtp.bin ];
 
     # Needed for unwrapped applications
-    environment.sessionVariables.GIO_EXTRA_MODULES = [ "${cfg.package}/lib/gio/modules" ];
+    environment.variables.GIO_EXTRA_MODULES = [ "${cfg.package}/lib/gio/modules" ];
 
   };